An ordinary high school boy fails to get into any private academy except one — which happens to be populated by supernatural creatures disguised as humans. To survive, he has to pretend that he is one of them and blend in.
The Diclonius, a mutated homo sapien that is said to be selected by God and will eventually become the destruction of mankind, possesses two horns in their heads, and has a "sixth sense" which gives it telekinetic abilities. Due to this dangerous power, they have been captured and isolated in laboratories by the government. Lucy, a young and psychotic Diclonius, manages to break free of her confines and brutally murder most of the guards in the laboratory, only to get shot in the head as she makes her escape. She survives and manages to drift along to a beach, where two teenagers named Kouta and Yuka discovers her. Having lost her memories, she was named after the only thing that she can now say, "Nyuu," and the two allow her to stay at Kouta's home. However, it appears that the evil "Lucy" is not dead just yet...
Cha Do-hyun is a rich heir to a family company with one major problem. Due to suppressed childhood trauma, he suffers from dissociative identity disorder manifested in 7 unique personalities who are out of his control. In order to overcome this disorder in secret, he hires a first year medical resident to help him heal by killing off each personality one by one.
Inspired by the original novella by Robert Louis Stevenson, Jekyll and Hyde is set in 1930s London and follows Robert Jekyll, the grandson of Henry Jekyll, on his quest to discover his real identity, his true family history and the nature of his ‘curse’ – which his foster father, Dr Vishal Najaran, is controlling with medication. His journey takes him into a dark and unforgiving place, as his alter ego seems capable of anything. At the same time there are shadowy forces trying to find Jekyll and the source of his powers.
Tom Jackman is learning to cope with his alter ego, the dark and mysterious Hyde, who threatens his life and family. They also have to live in the same body while on the run from a mysterious organization that is hunting them.
A young woman whose childhood was so harrowing to her that she developed at least 13 different personalities.
Amane Todoroki is a young girl who is straightforward but also unthinking. She will try her very best in everything and say, "I don't know how to answer you if you ask me whether this can be done. I just believe it can. If not, then nothing will get started!" She easily gets stuck in her thinking, but she can also get easily moved at something small and start crying.